نتایج جستجو برای: horizontal axis wind turbine hawt

تعداد نتایج: 250840  

Journal: :energy equipment and systems 0
mahdi nili-ahmadabadi department of mechanical engineering, isfahan university of technology, isfahan 84156-83111, iran farzad mokhtarinia department of mechanical engineering, isfahan university of technology, isfahan 84156-83111, iran mehdi shirani subsea r&d center, isfahan university of technology, isfahan 84156-83111, iran

the purpose of this study is to improve the aerodynamic performance of wind turbine blades, using the ball-spine inverse design method. the inverse design goal is to calculate a geometry corresponds to a given pressure distribution on its boundaries. by calculating the difference between the current and target pressure distributions, geometric boundaries are modified so that the pressure differ...

Journal: :Bioinspiration & biomimetics 2010
Robert W Whittlesey Sebastian Liska John O Dabiri

Most wind farms consist of horizontal axis wind turbines (HAWTs) due to the high power coefficient (mechanical power output divided by the power of the free-stream air through the turbine cross-sectional area) of an isolated turbine. However when in close proximity to neighboring turbines, HAWTs suffer from a reduced power coefficient. In contrast, previous research on vertical axis wind turbin...

2013
Shifei Yang Dmitri Tcherniak Matthew S. Allen

Understanding and characterization of wind turbine dynamics, especially when operating, is an important though challenging task. The main problem is that an operating wind turbine cannot be truly modeled as a time invariant system, which limits the applicability of conventional well-established modal analysis methods. This paper compares two experimental techniques that characterize the dynamic...

Journal: :Journal of composites science 2023

Due to their inherent advantages, micro-sized horizontal axis wind turbines (HAWT) are preferred over vertical (VAWT) for urban applications. Typically, HAWTs on the market constructed using steel, alloys, or fibre-reinforced composites, with latter being most economical and stable in comparison steel alloy-based HAWTs. Nevertheless, light of increased emphasis cost savings environmental sustai...

Journal: :International Journal of Research in Engineering and Technology 2016

Journal: :IOP Conference Series: Earth and Environmental Science 2018

Journal: :Automation, Control and Intelligent Systems 2019

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